Description

Diisooctyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate is a high-performance organotin compound primarily utilized as a stabilizer and catalyst in polymer chemistry. This product is valued for its exceptional ability to prevent degradation and enhance the processing stability of various polymeric materials under high-temperature conditions. It is an essential additive for manufacturers in the plastics and polymer industries seeking to improve product longevity and performance.

Application

• Polyvinyl Chloride (PVC) Stabilizer: Acts as a highly effective heat stabilizer in rigid and flexible PVC formulations, preventing discoloration and decomposition during processing.
• Polyurethane Catalyst: Serves as a catalyst in the production of polyurethane foams and elastomers, promoting efficient curing and optimal physical properties.
• Silicone Rubber Cross-linking Agent: Used as a catalyst in condensation-cure silicone rubber systems to facilitate cross-linking at room temperature.
• Lubricant and Grease Additive: Functions as an anti-wear and extreme pressure additive in specialty lubricants and greases.
• Adhesive and Sealant Formulations: Imparts stability and catalyzes reactions in high-performance adhesive and sealant products.
• Polymer Modification Agent: Employed to modify polymer chains, enhancing specific characteristics like thermal stability or compatibility.

Basic Information

Product Name	Diisooctyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate
CAS No.	26761-46-6
Molecular Formula	C38H76O4S2Sn
Molecular Weight	756.0 g/mol (approx.)
Synonyms	Dioctyltin Bis(Isooctyl Thioglycolate); Diisooctyltin Bis(Isooctylmercaptoacetate); Diisooctyltin Bis(2-Ethylhexyl Thioglycolate); Dioctyltin Bis(2-Ethylhexyl Thioglycolate); DOTG; Thermolite 890; Stanclere T 890; Advastab TM 694; Dibutylstannylene Bis(Isooctyl 3-Thiopropionate); 3,3'-[(Dibutylstannylene)bis(thio)]bis[propanoic acid] diisooctyl ester
EINECS	Contact for details

Quality Control

Our Diisooctyl 3,3'-[(Dibutylstannylene)Bis(Thio)]Dipropionate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent internal specifications, which typically include assessment of tin content, appearance, and specific gravity. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Under recommended storage conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms
Tin (Sn) Content	15.0 - 17.0 %
Specific Gravity (25°C)	1.05 - 1.10
Refractive Index (20°C)	1.480 - 1.500

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.